 鲜花( 53)  鸡蛋( 0)
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5# manyu
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5 t6 ?4 h6 O9 e1 F* D找回以前的貼子,對我來說也不容易,還是簡單再說一遍好了 Possible causes are:/ |) i( z. z; @- d
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose./ e ~6 w+ M# U) B! x! j
2. supporting beams are a bit too far away from each other.
9 R- I' g& z8 k7 k+ G- L: |4 P7 t3. supporting beams are not level due to earth settlement. v$ a+ ]' e6 f8 n
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For 2, you may need someone with engineering knowledge to find out, but there should be a building code governing the span distance. For 3, you can go down the basement to do a visual check yourself./ T2 W- {; p* y2 a) Y' |( m
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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